243052429 has 2 divisors, whose sum is σ = 243052430. Its totient is φ = 243052428.

The previous prime is 243052391. The next prime is 243052489. The reversal of 243052429 is 924250342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145082025 + 97970404 = 12045^2 + 9898^2 .

It is a cyclic number.

It is not a de Polignac number, because 243052429 - 2¹⁵ = 243019661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243052429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243052489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121526214 + 121526215.

It is an arithmetic number, because the mean of its divisors is an integer number (121526215).

Almost surely, 2^243052429 is an apocalyptic number.

It is an amenable number.

243052429 is a deficient number, since it is larger than the sum of its proper divisors (1).

243052429 is an equidigital number, since it uses as much as digits as its factorization.

243052429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 243052429 is about 15590.1388383811. The cubic root of 243052429 is about 624.0700229948.

The spelling of 243052429 in words is "two hundred forty-three million, fifty-two thousand, four hundred twenty-nine".